Synthesis of functionalized chromeno[2,3-b]pyrrole-2,3-dicarboxylate via Zn(OTf)2-catalyzed annulation of 2-amino-4H-chromen-4-one and electron-deficient Acetylenes . Indian Journal of Chemistry (IJC), [S. l.], v. 64, n. 8, p. 823–828, 2025. DOI: 10.56042/ijc.v64i8.16926. Disponível em: https://or.niscpr.res.in/index.php/IJC/article/view/16926. Acesso em: 15 may. 2026.